After the collapse of the Soviet Union an astonishing treasure trove came to light – hundreds of thousands of maps showing in chilling detail countries and cities throughout the world. We talk with John Davies, co-author of the 'Red Atlas: How the Soviet Union Secretly Mapped the World', and life-long map collector and enthusiast.

In conversation with Belarus-born, New-York based artist Alina Bliumis about her work exploring the human relationship with freedom and nature. Her exhibition on show at Pushkin House, Amateur Bird Watching at Passport Control, is built around a paradox that birds, the ultimate symbol of freedom, are used on documents controlling international movement.